Q3 on QTT board- help appreciated

[BellyBuster7]

Party Poker 0.5/1 Hold'em (8 handed) converter

Preflop: Hero is BB with 3[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
UTG calls, UTG+1 calls, MP1 calls, MP2 calls, <font color="#666666">2 folds</font>, SB completes, Hero checks.

Flop: (6 SB) T[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, Hero checks, UTG checks, UTG+1 checks, MP1 checks, MP2 checks.

Turn: (3 BB) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, UTG+1 folds, MP1 calls $1 (All-In), MP2 folds, SB folds, Hero calls.

River: (8 BB) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players, 1 all-in)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">UTG 3-bets</font>, <font color="#CC3333">Hero caps</font>, UTG calls.

Final Pot: 16 BB

I hate how I played this hand. I can explain why I did what I did, but I don't think I'm right. What's your line on a hand like this?