25NL NFD vs very passive villain

[creamfillin]

villain is like 40/0/.23 after around 50 hands

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO ($27.40)
Button ($25)
Hero ($34.40)
BB ($19.25)
UTG ($10.40)
MP ($21.05)

Preflop: Hero is SB with J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to $1</font>, BB calls $0.75.

Flop: ($2) 3[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $1.5</font>, <font color="#CC3333">BB raises to $4.25</font>, <font color="#CC3333">Hero?