It's not a problem man, really. I just wish you would have come here before you started implementing your new plan so we could have helped you. Usually when people do their own thing they end up hitting a wall sooner. Your main problem is that you cut your calories too drastically too soon, and continued to eat that way for some time. Up them a little bit and keep training hard and you'll be in a good place to figure out how much muscle you actually need to lose. If you get down to 8% ish body fat and you still have 15lbs to go, then you know you'll have to lose some lean body mass, or move up a weight class. Sorry for being a dick, and most of it wasnt directed towards you. I just see these threads all the time. I have a bigger problem with people giving bad advice to people like you, which has happened a lot in this thread.
As for gaining weight, getting older definitely makes a difference. I didn't stop filling out until I was 20, so I can see how that would fluctuate one or two years for someone else. If you can't make it back down to 170 then a move up might be in order. Definitely keep squatting no matter what you do, though. Also, eat more carbs. You're an athlete!