nl 100, 24 in bb flop bottom two, river thin value or check?

[billybeartku]

villain is JohnFR, 21/13/1.3 at 174 hands
do you thin value or check back

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

SB: $99
Hero (BB): $152.75
UTG: $132.45
MP: $128.15
CO: $92.05
BTN: $98.50

Pre-Flop: 4[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG calls $1, 3 folds, SB calls $0.50, Hero checks

Flop: ($3) K[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (3 Players)
<font color="red">SB bets $2</font>, <font color="red">Hero raises to $7</font>, UTG folds, SB calls $5

Turn: ($17) T[img]/images/graemlins/spade.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $14</font>, SB calls $14

River: ($45) 3[img]/images/graemlins/club.gif[/img] (2 Players)
SB checks, <font color="red">Hero ??