50Nl: Second pair w/ draws

[lonn19]

50NL 6 max

SB: 61.25
BB: 49.50
UTG: 26
Hero: 58.75
CO: 24
Button: 72

Hero is dealt Kh Qh
UTG folds, Hero raises to 1.80, CO folds, Button calls, SB folds, BB calls.

Flop: Ah Kc 10s
BB checks, Hero bets 2.50, Button raises to 5, BB folds, Hero calls.

Turn: 9h
Hero checks, Button bets 12, Hero???