NL100: MPTK in 3bet pot

[Hume]

Villains stats are 24/13/1.3 over 115 hands. Call better than 3bet preflop? What about the river?

Party Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $27.93
Hero (BB): $140.02
UTG: $136.50
MP: $103.18
CO: $20.90
BTN: $106.65

Preflop: Hero is dealt T[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG folds, <font color="red">MP raises to $4.00</font>, 3 folds, <font color="red">Hero raises to $14.00</font>, MP calls $10.00

Flop: ($28.50) K[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $18.00</font>, MP calls $18.00

Turn: ($64.50) 6[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, MP checks

River: ($64.50) 3[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero ?