Easing back in: when to let go?

[MagicFlea]

took a while off as my summer plans didn't leave room for poker. I'm easing back in playing PP 2/4 one table at a time and I'm doing ok... here's a basic hand just to make sure I'm not forgetting my fundamentals (ouch!! just got burned on a two outer [img]/images/graemlins/frown.gif[/img] [img]/images/graemlins/frown.gif[/img] ). No reads

Party Poker 2/4 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is CO with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls, <font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">3 folds</font>, UTG+1 calls.

Flop: (5.50 SB) J[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+1 checks, <font color="#CC3333">Hero bets</font>, UTG+1 calls.

Turn: (3.75 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+1 checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG+1 raises</font>, Hero ?.

Pot: 6.75 BB