When I was doing my searches back in July, that truck would be worth $4K stock on KBB.com, and that's private party value. I haven't looked it up today, but I'd be willing to bet that the KBB value hasn't changed much. With all the extra's I would have given $7K for it if I had it at the time. That also means that I would have flown out to NM and drove it home to Indiana. I never liked the two tone brown paint job, but man that truck is in FINE shape. I can understand wanting to get more than $7K out of it, but with the age, that might be tough. Having said that, with only 110K on it, it's practically brand new, so the right buyer might be willing to cough it up. If you want $9K out of it, then I say put $9K on the window and be proud of such a good truck. If someone wants it, then great. Maybe you come down quite a bit. Even still, $9K isn't hardly going to make a dent on the cost of a new truck, especially if you are looking at a new diesel.
My first born is now 21 months old, and she's a big part of why I bought my truck. Before I had a '94 F150 regular cab 2wd work truck. Why they would ever call a 2wd a work truck, I don't know. Anyhow, you can always put the car seat in the front rear facing until she's big enough to turn it around (about 6 months). I say that because the 92 didn't have passenger side front air bags. I don't know exactly what kind of seat you have in front, but if the passenger side adjusts independently from the driver, then you should be good to go as your daughter gets older/taller. My daughter is VERY tall, and she currently has no legroom in front of her car seat. I have a bench seat, so I'm going to have to swap it out for some kind of 40/20/40 so that the passenger seat can slide forward and make room for her. We are trying for a second, and if we are successful, there will come a point where we won't all fit in the truck (again), but that point would be 3 or 4 years down the road. In the mean time, I can save that $500 a month truck payment, and stick it in the bank. Besides, unless you're trying to haul something at the same time, there's no reason that everyone can't pile into your 4runner. 4 doors are nice, but it sounds like you're family already has one. The only way to upgrade to more rear leg room is to go to a true crew cab, but a new one costs more than I own on my house, and I highly doubt that they are as dependable or low maintenance as and IDI.
I admit, that I like ABS breaks, but the best way to avoid a wreck is to drive with some common sense. After that, I'd say a good set of tires is next on the safty list, and I'm not talking about mud and snow, or AT tires. I'm talking about good traction on wet pavement, and icy roads. AT tires look cool, but aren't worth much for most of us. They work great for playing around, but 90% (or more) of our driving is on the highway. I've seen stock radial tires drive through a field so wet that the frame was almost dragging, but still didn't get stuck.
ABS breaks and air bags mostly protect you when you hit something head on. Aside from that, its hoping and praying unless you happen to have side impact air bags as well. Not sure if anyone has those in a truck yet or not. Still, when it comes to someone hitting you, extra mass has its advantages.
At the end of the day, its your truck, your $$, and your choice. I'd just hate to see you take a loss and get rid of such a good dependable truck with so much life left in it because you'll always look back and regret it.
Good luck,
Mark