PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($6.75)
Hero ($50)
UTG ($51.40)
MP ($57.95)
CO ($113.70)
Button ($74.75)

Preflop: Hero is BB with K, K.
3 folds, Button calls $0.50, SB completes, Hero raises to $6.5, Button calls $6, SB folds.

Flop: ($13.50) 5, J, 5 (2 players)
Hero bets $11, Button raises to $22, Hero ???

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Villian is unknown.

What's your move after the minraise?