10/20 3 bet pot oop

[gintron]

I have BB as a nitty 15/12 only over like 200 hands.

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $10/$20
6 players
Converter

Stack sizes:
UTG: $2097
UTG+1: $1935
CO: $2674
Button: $6699
Hero: $2000
BB: $1772.15

Pre-flop: (6 players) Hero is SB with T[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/diamond.gif[/img]
2 folds, <font color="#cc0000">CO raises to $70</font>, Button folds, <font color="#cc0000">Hero raises to $240</font>, BB calls, CO folds.

Flop: J[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/heart.gif[/img] ($550, 2 players)
<font color="#cc0000">Hero ?