MP bets 8bb after UTG check

Multi-way Flop | 3-way: BTN | 100bb effective | Difficulty: Standard

Players in hand: UTG, MP, Hero (BTN)

Hero hand

A♣K♠

Board

K♥Q♦7♣

Action so far:
3-way pot 12bb on K♥Q♦7♣
MP bets 8bb after UTG check

Pot: 12bb   To call: 8bb

Villain range: MP donk lead: KQ, QQ, 77, KJ, JTs, Qx, semi-bluffs

Your move: