Villain is not a reg he's pretty much unknown I have him at like 28/10 after an irrelevant sample.

I have no reads.

No-Limit Hold'em, $4.00 BB (6 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

saw flop

Hero (MP) ($400)
CO ($388)
Button ($428)
SB ($1307.40)
BB ($110)
UTG ($400)

Preflop: Hero is MP with A, K
1 fold, Hero raises $12, 1 fold, Button raises $28, 2 folds, Hero calls $16

Flop: ($62) A, 5, 9 (2 players)
Hero checks, Button checks

Turn: ($62) K (2 players)
Hero bets $40, Button calls $40

River: ($142) 10 (2 players)
Hero bets $94, Button raises $200, Hero?