Flush draw and overcards OOP 3-way in Sunday Million

[kutuz_off]

I understand that if I'm not sure about this situation, I shouldn't be raising UTG perhaps. But nonetheless, what is my best line here given that button is lilholdem?

Poker Stars, $500 + $30 NL Hold'em Tournament, 300/600 Blinds, 9 Players
LeggoPoker.com - Hand History Converter

UTG+1: 19,150
UTG+2: 27,195
MP1: 32,900
MP2: 24,446
CO: 26,101
BTN: 19,466
SB: 11,620
BB: 8,875
Hero (UTG): 28,767

Pre-Flop: (900) T[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img] dealt to Hero (UTG)
<font color="red">Hero raises to 1,600</font>, 2 folds, MP1 calls 1,600, 2 folds, BTN calls 1,600, 2 folds

Flop: (5,700) 5[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] (3 Players)