AQo OOP lead the turn?

Party Poker 2.00/4.00 Hold'em <font color="#0000FF">(9 handed)</font> link

Preflop: Hero is BB with Q[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 folds</font>, UTG+1 calls, MP1 calls, <font color="#666666">1 folds</font>, MP3 calls, <font color="#666666">2 folds</font>, SB completes, <font color="#CC3333">Hero raises</font>, UTG+1 calls, MP1 calls, MP3 calls, <font color="#666666">1 folds</font>.

good raise?

Flop: (9.00 SB) 3[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, UTG+1 folds, MP1 calls, MP3 folds.

standard?

Turn: (5.50 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP1 raises</font>, Hero folds.

should I bet or check? should I call down?
Villan is typiacl player, nothing special.

Final Pot: 8.50 BB.

[Cumulonimbus]

Bet. Nice hand.

[pokerjunky]

Bet. You'll drag the pot often enough against one player on this ragged board.