($11) drawing from SB

[jonoo]

my original plan was to check and hope for a free card or c/r all in to an avg sized bet. should the bet and raise change my plan? should I have lead out?

Party Poker No-Limit Hold'em Tourney, Big Blind is t50 (6 handed) converter

CO (t1875)
Button (t765)
Hero (t590)
BB (t1400)
UTG (t1600)
MP (t1770)

Preflop: Hero is SB with Q[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, CO calls t50, Button calls t50, Hero completes, BB checks.

Flop: (t200) 5[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, <font color="#CC3333">BB bets t50</font>, CO calls t50, <font color="#CC3333">Button raises to t300</font>, Hero????