Hero checks, BTN bets 14bb

Heads-up River | BB vs BTN | 100bb effective | Difficulty: Standard

Hero hand

A♥Q♥

Board

Q♦7♣5♥2♠K♥

Action so far:
River K♥ on Q♦7♣5♥2♠K♥, pot 24bb
Hero checks, BTN bets 14bb

Pot: 24bb   To call: 14bb

Villain range: BTN three-barrel: AK, KQ, sets, plus busted spade and gutshot bluffs

Your move: