River checkraised on a paired board with the nut flush...

[chesspain]

Online 2-4...UTG+1 is your basic "play any ace" kind of guy--I haven't seen him do anything tricky or noteworthy. MP is a spazzy calling station who will check behind a top pair of aces in a drawish, family pot so that he can raise the river HU with his UI jack kicker.

Preflop: chesspain is HJ with A [img]/images/graemlins/heart.gif[/img] A [img]/images/graemlins/club.gif[/img].
1 fold, UTG+1 raises, 1 fold, MP coldcalls, 1 fold, chesspain reraises, 4 folds, UTG+1 and MP calls.

Flop: (10sb) 7 [img]/images/graemlins/diamond.gif[/img] 3 [img]/images/graemlins/club.gif[/img] 8 [img]/images/graemlins/club.gif[/img] (3 players).
Both players check to me, I bet, and they both call.

Turn: (6.5bb) 7 [img]/images/graemlins/club.gif[/img] (3 players)
Both players check, I bet, UTG+1 calls, MP folds.

River: (8.5bb) T [img]/images/graemlins/club.gif[/img] (2 players)
UTG+1 checks, I bet, he checkraises, I...

a) Call?
b) Reraise and call a four-bet cap?
c) Reraise and fold to a cap?