Bluff raise the turn?

[deaders]

This hand is vs an aggro but kinda spewy tag (imo) 22/18. My image should be solid but quite aggro, and I had called down a 3 barrel bluff from the same guy 10 minutes prior on another table.

Full Tilt No-Limit Hold'em, $2 BB (6 handed) Full Tilt Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO ($238.70)
Hero ($643.20)
SB ($211.05)
BB ($80)
UTG ($275.55)
MP ($309.90)

Preflop: Hero is Button with T[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
UTG calls $2, <font color="#CC3333">MP raises to $9</font>, <font color="#666666">1 fold</font>, Hero calls $9, <font color="#666666">2 folds</font>, UTG calls $7.

Flop: ($30) 7[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">MP bets $20</font>, Hero calls $20, UTG folds.

Turn: ($70) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $50</font>,

Ive already been told 3bet or fold pre, and thats probably correct but I felt like seeing a flop, both blinds were fish too. On the flop I opted to call in position - my draw is nice and hidden and I dont mind it being multiway. So thoughts on bluffing at this turn?