just another overpair facing heat

SB is 57/8/1.2
I have a note that says he raised and check/raised the preflop raiser with midpair on the flop, two different hands that is. Furthermore he's not that aggressive postflop and I haven't seen him doing any crazy stuff.

BB is 31/5/0.6 over 75 hands

Party Poker 10.00/20.00 Hold'em <font color="#0000FF">(6 handed)</font> link

Preflop: Hero is CO with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 folds</font>, <font color="#CC3333">Hero raises</font>, Button calls, SB calls, BB calls.

Flop: (8.00 SB) 7[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets</font>, Button folds, <font color="#CC3333">SB raises</font>, BB calls, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">SB caps</font>, BB calls, Hero calls.

Turn: (10.00 BB) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets</font>, BB calls, Hero