I raise flop with gutshot in 4 way pot?

[TheDudeChad]

SB is 19/9/1.5 over 200 hands
CO is tight/passive and button is a fish.

PokerStars 1/2 Hold'em (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is BB with J[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, CO calls, Button calls, <font color="#CC3333">SB raises</font>, Hero calls, CO calls, Button calls.

Flop: (8 SB) 3[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>...

Spew?
What if you changed the 3[img]/images/graemlins/diamond.gif[/img] to the 3[img]/images/graemlins/spade.gif[/img]?