flop a set, crappy turn and river

[ThePlan]

Villain is 31/8/4 over 50 hands

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($89.15)
UTG ($39.70)
MP ($111.80)
Hero ($194.30)
SB ($142)

Preflop: Hero is Button with 8[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP calls $1, <font color="#CC3333">Hero raises to $5</font>, <font color="#666666">2 folds</font>, MP calls $4.

Flop: ($11.50) T[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, <font color="#CC3333">Hero bets $8</font>, MP calls $8.

Turn: ($27.50) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $15</font>, Hero calls $15.

River: ($57.50) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $20</font>, Hero ...