steal Q9, flop bottom two vs fish

35 hands on villain, he's loose (40vpip) and feels weak and station so far.
bb doesn't 3b much at all
button is pretty bad, reg 15-10 type, probably set-mining here pre

preflop?
flop sizing?

$0.10/$0.25 No Limit Holdem
8 Players
Hand Conversion Powered by weaktight.com

Stacks:
UTG ($25) 100bb
UTG+1 ($25) 100bb
MP1 ($1.63) 7bb
daven (MP2) ($31.27) 125bb
CO ($25) 100bb
BTN ($25.68) 103bb
SB ($22.81) 91bb
BB ($10.26) 41bb

Pre-Flop: ($0.35, 8 players) daven is MP2
3 folds, daven raises to $0.85, 1 fold, BTN calls $0.85, SB calls $0.75, 1 fold

Flop: ($2.80, 3 players)
SB checks, daven bets $2.20, [color=#777777]

edit:
sounds like pre and flop ok, although could go bigger on flop - turn + river?


Turn: ($7.20, 2 players)
SB checks, daven bets $6.88, SB calls $6.88

River: ($20.96, 2 players)
SB checks, daven bets $6, SB goes all-in $12.88, daven calls $6.88