FTP $150: pair + flush draw

[bluesbassman]

This is from last night's FTP $150. Table (including me) had been playing tight, and I thought this soooted hand was playable from the CO.

What's my line on the flop? Am I willing to get it in if I get action from one villain?

Full Tilt Poker No-Limit Hold'em Tourney, Big Blind is t50 (9 handed) Hand History converter Courtesy of PokerZion.com

Button (t1347)
SB (t5810)
BB (t4045)
UTG (t4380)
UTG+1 (t1775)
MP1 (t1735)
MP2 (t3620)
MP3 (t2430)
Hero (t3205)

Preflop: Hero is CO with 7[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/spade.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">Hero raises to t150</font>, Button calls t150, <font color="#666666">1 fold</font>, BB calls t100

Flop: (t475) 3[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/spade.gif[/img]

BB checks, Hero ??