middle pair + bdfd, protect?

[eviljeff]

PokerRoom 1/2 Hold'em (5 handed) FTR converter on zerodivide.cx

first hand at the table

Preflop: eviljeff is BB with 5[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/heart.gif[/img]
UTG calls, <font color="#666666">1 fold</font>, Button calls, <font color="#CC3333">SB raises</font>, eviljeff calls, UTG calls, Button calls.

pretty marginal call or standard?

Flop: (7 SB) J[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">eviljeff raises</font>

easy raise? if anyone 3bets I'm calling and c/f the turn UI. I'm checking any A/K/Q turn. not sure what to do if I get a caller other than pfr and the turn blanks.