early in 25+2 turbo SNG...flop baby flush with SC...bet sizes okay?

[ssnyc]

2nd hand of a stars 25+2 9pp turbo...I'm more of an MTT guy but trying the STTs out to mix it up...is my bet sizing okay? I think I underbet the river but not 100% sure

Poker Stars
No Limit Holdem Tournament
Blinds: t10/t20
9 players


UTG: t1500
Hero: t1500
MP1: t1500
MP2: t1500
MP3: t1500
CO: t1530
Button: t1490
SB: t1480
BB: t1500

Pre-flop: (9 players) Hero is UTG+1 with 5[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/heart.gif[/img]
UTG folds
Hero calls t20
MP1 folds
MP2 calls t20
4 folds
4 folds
BB checks

Flop: (t70) J[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] (3 players)
BB checks
Hero bets t60
MP2 calls t60
BB folds.

Turn: (t190) A[img]/images/graemlins/spade.gif[/img] (2 players)
Hero bets t160
MP2 calls t160

River: (t510) 2[img]/images/graemlins/spade.gif[/img] (2 players)
Hero bets t340
MP2 calls t340

Results:
Final pot: t1190