100NL Thin value bet vs loose passive?

[brettkc]

Villian is loose and passive, I've been playing around 30/27 and I figure this was a clear value bet, thoughts?

Full Tilt Poker
$0.50/$1 No Limit Hold'em Ring Game
6 Players
LegoPoker Hand Converter

<font color="black">Stack Sizes</font>
BTN: $107.75
SB: $98.5
BB: $158.3
UTG: $31.55
MP: $51.05
Hero (CO): $313.45

<font color="black">Preflop:</font> K[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/club.gif[/img] ($1.5, 6 players)
UTG folds, MP folds, <font color="red">Hero raises to $4</font>, BTN folds, SB folds, BB calls $3

<font color="black">Flop:</font> 7[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] ($8.5, 2 players)
BB checks, <font color="red">Hero bets $8</font>, BB calls $8

<font color="black">Turn:</font> 7[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] [Q[img]/images/graemlins/diamond.gif[/img]] ($24.5, 2 players)
BB checks, <font color="red">Hero bets $20</font>, BB calls $20

<font color="black">River:</font> 7[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] [9[img]/images/graemlins/diamond.gif[/img]] ($64.5, 2 players)
BB checks, <font color="red">Hero bets $42.50</font>, BB calls $42.50