[Jack-in-a-box]

Hi, this hand is from Russian Championship of Poker 2K event.
28 players left, top 9 are paid. Blinds 400/800, our stack is 30K which is equal to average stack at the table.
UTG raises to 2K, Hero reraises to 5.5K UTG+1 with AhKh, and got called by player on the button, who is unknown, but most probably is a fish, because Hero knows all good players by sight. Blinds fold, UTG raiser folds.
Flop comes 5KQ, two clubs. Pot is 17K, Hero and Button both have 24k chips. Whats your play and why?
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