I'm real confused, whats the proper play here?

[RutgersKev]

This was in my first round of playing at this table, so I don't have a read on this guy other then he called a guy down on every street with Q6 on a Q high flop to win the hand I sat down on.

Party Poker 1/2 Hold'em (6 max, 4 handed) converter

Preflop: Hero is BB with 8[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, SB completes, Hero checks.

Flop: (2 SB) J[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, SB calls.

Turn: (3 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero ??????????


What do I do here?