How bad is this flop raise?

[SavageMiser]

No read on MP2, aside from a name that screams "action player." So that can't be counted on. Guilty till proven innocent. Button, BB, UTG are standard loose passives.

I really don't like the cold call PF. Might as well try to muff all the streets.

Party Poker 2/4 Hold'em (7 handed) converter

Preflop: Hero is CO with A[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img].
UTG calls, <font color="#666666">1 fold</font>, <font color="#CC3333">MP2 raises</font>, Hero calls, Button calls, <font color="#666666">1 fold</font>, BB calls, UTG calls.

Flop: (10.50 SB) Q[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, UTG checks, <font color="#CC3333">MP2 bets</font>, <font color="#CC3333">Hero raises</font>, Button folds, BB calls, UTG folds, MP2 calls.

Oops.