Flop a Boat, call a flop raise, now what?

[Maulik]

Party Poker No-Limit Hold'em, $ Hero (10 handed) converter

UTG ($323)
UTG+1 ($214.65)
UTG+2 ($236.05)
MP1 ($197)
MP2 ($70.88)
MP3 ($94.6)
CO ($491.72)
Button ($229)
SB ($432.54)
Hero ($194.3)

Preflop: Hero is BB with 6[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img]. SB posts a blind of $1.
<font color="#666666">3 folds</font>, <font color="#CC3333">MP1 raises to $5</font>, MP2 calls $5, <font color="#666666">2 folds</font>, Button calls $5, SB (poster) calls $4, Hero calls $3.

Flop: ($25) 3[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, Hero checks, <font color="#CC3333">MP1 bets $15</font>, MP2 folds, Button folds, SB folds, Hero calls $15.

Turn: ($55) Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, MP1 checks.

River: ($55) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $30</font>, MP1 folds.

Final Pot: $85