5/10 TPTK + NFD bricks, interesting river

[shipitkthx]

$5/$10 6MAX

Important stacks:
HERO (UTG+1): $1125.50 (27/21/3)
DONKEY (UTG): $1018.50 (45/10/2)
TAG (SB): $1069 (23/20/6)

Preflop:
DONKEY calls $10, HERO raises to $45 with A[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/spade.gif[/img], 2 folds, TAG calls $40, BB folds, DONKEY calls $35

Flop: 4[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img] (Pot ~142)

TAG checks, DONKEY checks, HERO bets $111, both call

Turn: 2[img]/images/graemlins/spade.gif[/img] (Pot ~475)

TAG checks, DONKEY checks, HERO bets $333, TAG calls, DONKEY folds

River: J[img]/images/graemlins/diamond.gif[/img] (Pot ~1141)

TAG goes all-in for $580, HERO ???

I feel like I'm beat here but 3:1 is tempting. T8 doesn't seem likely from a 23/20 cold calling out of the SB. Are we beat 75%+ here? Also, does anyone check behind on the turn?