Blind Defence: check or bet this turn?

[gopnik]

My notes on the villain: aggressive preflop, weak post flop. This read is pretty shallow because we only played together for like 20-30 hands.
Bet this turn or try to get a free card?

PokerStars 1/2 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is SB with J[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">MP3 raises</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#666666">1 fold</font>, MP3 calls.

Flop: (7 SB) T[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP3 raises</font>, Hero calls.

Turn: (5.50 BB) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, MP3 checks.

River: (5.50 BB) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, MP3 calls.

Final Pot: 7.50 BB