BB check-raises Hero's 14bb bet to 38bb

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

Hero hand

A♠K♦

Board

K♣8♥2♦5♠

Action so far:
Turn 5♠, pot 20bb
BB check-raises Hero's 14bb bet to 38bb

Pot: 34bb   To call: 24bb

Villain range: BB turn XR: 88, 55, 22, K8s, K5s, 76s, 64s, A♠X♠ bluffs

Your move: