flopped flush lets get it all in?

[TWINUNO]

Villian running 30/20 in 20 hands
I feel like im giving up my hand to much by 3 betting this flop.
I have 220
villian at 200

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $1/$2
6 players
Converter

Pre-flop: (6 players) Hero is CO with T[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img]
2 folds, <font color="#cc0000">Hero raises to $7</font>, Button calls, 2 folds.

Flop: 6[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] ($17, 2 players)
<font color="#cc0000">Hero bets $17</font>, <font color="#cc0000">Button raises to $42</font>, <font color="#cc0000">Hero raises to $131</font>, Button folds.
Uncalled bets: $89 returned to Hero.

Results:
Final pot: $101