should i have raised this pre and is my flop cold call wrong

[badbill7]

Party Poker 0.5/1 Hold'em (10 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, UTG+2 calls, MP1 calls, <font color="#666666">1 fold</font>, MP3 calls, CO calls, Button calls, SB completes, Hero checks.

Flop: (7 SB) T[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(7 players)</font>
SB checks, Hero checks, <font color="#CC3333">UTG+2 bets</font>, <font color="#CC3333">MP1 raises</font>, MP3 folds, CO calls, Button calls, SB folds, Hero calls, UTG+2 folds.

Turn: (8 BB) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, <font color="#CC3333">MP1 bets</font>, CO calls, <font color="#CC3333">Button raises</font>, Hero folds, MP1 calls, CO calls.

River: (14 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">MP1 bets</font>, <font color="#CC3333">CO raises</font>, <font color="#CC3333">Button 3-bets</font>, MP1 calls, CO calls.

Final Pot: 23 BB