Big draw on flop becomes bigger draw on turn

[durron597]

I've had a lot of small PPs and suited connecting cards so I've been limping into a lot of pots. I figured the stacks were deep enough to call the flop because of the BD draw. My question is, bet turn?

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (8 handed) converter

Button (t1860)
SB (t1280)
BB (t1305)
UTG (t1520)
UTG+1 (t1470)
Hero (t3130)
MP2 (t1470)
CO (t1465)

Preflop: Hero is MP1 with 5[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/club.gif[/img].
UTG calls t30, UTG+1 calls t30, Hero calls t30, <font color="#666666">2 folds</font>, Button calls t30, SB completes, BB checks.

Flop: (t180) 9[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, BB checks, <font color="#CC3333">UTG bets t90</font>, UTG+1 folds, Hero calls t90, Button folds, SB calls t90, BB folds.

Turn: (t450) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, UTG checks, Hero ????