FTP $1M : early : how to best extract value with nut flush on turn

[baltostar]

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $15/$30
9 players
Converter

Stack sizes:
UTG: $5000
UTG+1: $4745
MP1: $5255
MP2: $4880
MP3: $4940
CO: $5350
Button: $4955
BALTOSTAR: $5045
BB: $4830

Pre-flop: (9 players) BALTOSTAR is SB with 7[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img]
UTG folds, UTG+1 calls, 5 folds, BALTOSTAR calls, BB checks.

Flop: 7[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] ($90, 3 players)
<font color="#cc0000">BALTOSTAR bets $60</font>, BB calls, UTG+1 folds.

Turn: 6[img]/images/graemlins/heart.gif[/img] ($210, 2 players)
<font color="#cc0000">BALTOSTAR