AJh facing a bet on a flop with the nut flush draw

[usha]

No real reads on any of the players here.

Fold PF?

How is my line on the flop?

PokerStars Tournament, Big Blind is t20 (8 handed) Converter on pregopoker.com

UTG (t2500)
UTG+1 (t1630)
MP1 (t1500)
MP2 (t1500)
CO (t1100)
Button (t1460)
Hero (t1380)
BB (t2430)

Preflop: Hero is in SB with J[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img]
<font color="red">UTG raises to t100</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, MP2 calls t100, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, Hero calls t90, <font color="gray">BB folds</font>

Flop: (t320) T[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/heart.gif[/img] (3 players)
Hero checks, <font color="red">UTG bets t120</font>, <font color="gray">MP2 folds</font>, <font color="red">Hero raises to t1280 (All-in)</font>