100NL, AK TPTK wants value, but obvious draw pushes river?

[_TKO_]

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

SB: $93.78
BB: $25.00
UTG: $114.84
Hero (MP): $99.55
CO: $163.36
BTN: $144.97

Preflop: Hero is dealt A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/club.gif[/img] (6 Players)
<font color="red">UTG raises to $2.00</font>, <font color="red">Hero raises to $7.00</font>, 4 folds, UTG calls $5.00

Flop: ($15.50) J[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $10.00</font>, UTG calls $10.00

Turn: ($35.50) 9[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">UTG bets $5.00</font>, <font color="red">Hero raises to $30.00</font>, UTG calls $25.00

River: ($95.50) 2[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">UTG bets all-in for $67.84</font>, Hero ... (~52 to call)