Blondeites,
Hello ! I'd appreciate your thought and criticism's of the following hand (live play and a while ago so I'm a little sketchy on the exact numbers :
The game is 2/5NLH, I'm UTG + 2 and get dealt [

]. I've got around $400, maybe a little more. I've been playing tight-ish and I've not shown down anything less than 2 pair.
UTG limps for 5, He's a decent player, as far as I can tell, and he's just waiting for a seat in the 5/10 or 10/20 NL game. (He has around $600)
UTG + 1 folds, I call (good, bad - I'm starting to think that maybe this wasn't a good idea, but I'm not planning on losing a bunch of money on an pair of aces Q kicker)
MP calls, aggressive player, seems to be good, hasn't been at the table that long though, has taken a semi-bad beat a couple of hands ago when his AK meets A2, he seems unfazed though, he still has over $500 left.
Button calls, blinds call and check :
6 players : pot $30
Flop : [

]
Checked to me, I bet the pot $30, MP calls after a moments consideration, folded round to UTG who also calls.
3 players : pot $120
Turn : [

]
UTG checks, I bet the pot ($120), MP calls, UTG grins and mucks his [

] face up. Dealer tells him not to do it again.
I'm a bit nervous now, MP keeps calling me and it's not like there were a lot of draws available. I have no idea what he's holding and I'm out of position.
River : [

]
Ok, that looks safe but I've got no idea where I am so I check (slightly wrong, horribly wrong, right ?).
MP asks me for a count, I've got around $250 left. He bets $100...
now what - what can I really put him on that I beat ? Would he really be value-betting 2 pair here ?
I'm thinking hard about it, maybe for half a minute. then the guy flashes me a look at one of his cards [

]. Dealer tells him not to, but he informs the dealer that it's not against the rules and that perhaps he [ the dealer] would like to stay out of it.
Now what....
what do you put him on here and what do you do ?