Party 50nl: facing river bet from a donk

[boardertj]

Villian is 83/26 over 40 hands

I thought Villian had just open limped preflop hence the small 3-bet.

Party Poker No-Limit Hold'em, $0.50 BB (6 handed) Party Poker Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($59.95)
SB ($67.39)
Hero ($49.25)
UTG ($50.50)
MP ($105.66)
CO ($49.75)

Preflop: Hero is BB with 9[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">MP raises to $1</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to $2.25</font>, MP calls $1.50.

Flop: ($5.25) J[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $4</font>, MP calls $4.

Turn: ($13.25) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, MP checks.

River: ($13.25) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP bets $10</font>, Hero folds.

Final Pot: $13.25

My fold to river bet statistic in PT is extremely high (~80%) and I am trying to plug this leak. Is this a good spot for a call?