vs a 30-20 type who is incredibly passive post flop and folds to flop bets most times he gets a chance - turn play?
if i bet and he calls, what is my river play?
Full Tilt No-Limit Hold'em, $1 BB (8 handed) Full-Tilt Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($25.65)
UTG ($129.05)
Hero ($116.45)
MP1 ($153.50)
MP2 ($38.80)
CO ($246.60)
Button ($123.65)
SB ($37.40)

Preflop: Hero is UTG+1 with J, A.
1 fold, Hero raises to $3.5, 3 folds, Button calls $3.50, 2 folds.

Flop: ($8.50) 4, 5, 9 (2 players)
Hero bets $6, Button calls $6.

Turn: ($20.50) J (2 players)
[color=#CC3333]Hero bets $?