Game is $10 NL FR on PP. Villain is maniac loose, he got lucky on his first 10 or so hands and had a stack of around $50 pretty quickly playing very loose. Since then he has played even looser (if thats possible!) and his stack soon dwindled back down to around $23. He liked to lead out the betting on every street, and if it got to the river, would shove in a huge overbet if he sensed weakness. Given this read on him I played this hand v passive to let him get on with it. I guess some will say I should have bet/raised the turn and bet out on the river, but I wanted to give him the chance to do his usual over bet.

#Game No : 5628197639
***** Hand History for Game 5628197639 *****
$10 NL Texas Holdem - Tuesday, January 30, 06:09:47 ET 2007
Table Table 127074 (Real Money)
Seat 3 is the button
Total number of players : 9
Seat 2: Villain ( $26.35 )
Seat 9: ( $9.10 )
Seat 6: Hero ( $19.80 )
Seat 7: ( $1.85 )
Seat 10: ( $10.10 )
Seat 3: ( $9.95 )
Seat 1: ( $3.90 )
Seat 5: ( $10 )
Seat 4: ( $2 )
Hero posts small blind [$0.05].
Seat 7 posts big blind [$0.10].
** Dealing down cards **
Dealt to Hero [ 8h Qc ]
folds
calls [$0.10]
calls [$0.10]
Villain calls [$0.10]
folds
Hero calls [$0.05]
checks
** Dealing Flop ** [ 5d, Qd, 8d ]
Hero bets [$0.50]
folds
folds
folds
Villain calls [$0.50]
** Dealing Turn ** [ Qs ]
Hero checks
Villain bets [$0.60]
Hero calls [$0.60]
** Dealing River ** [ 9h ]
Hero checks
Villain bets [$2]
Hero????

Go for the stack here or largish raise? Im hoping he actually flopped the flush but I'm not convinced, if he doesnt have the flush I think he will prob fold if I push it all in. If I raise up say $6-7, he will prob shove if he has the flush, 5,5 8,8 or call if he has say 2pair or trip Qs.

Thoughts?