88 v QQX NL50 vs loose

[bluffbetter]

Villain is 50/20.8/1.0 over 24 hands

I think I made a mess of this. What's the best play on the flop, raise or call? And is villains aggression too low for the river to be a call? I guess if it was a bluff they would very likely bet more on the river?

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($36.20)
UTG ($55)
MP ($69.20)
Button ($58.75)
Hero ($46.75)

Preflop: Hero is SB with 8[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">UTG raises to $2</font>, <font color="#666666">2 folds</font>, Hero calls $1.75, <font color="#666666">1 fold</font>.

Flop: ($4.50) Q[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $3</font>, <font color="#CC3333">Hero raises to $8.5</font>, UTG calls $5.50.

Turn: ($21.50) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, UTG checks.

River: ($21.50) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $12</font>, Hero calls $12.

Final Pot: $45.50