This player could limp small Ax or complete air but in case of my 3bet he shouldn't just flat call this.
PokerStars - $0.02 NL (6 max) - Holdem - 5 players
UTG: 73.5 BB VP 16 / PR 8 / 3B 8 (120 hands)
CO: 51 BB
BTN: 36 BB
SB: 49.5 BB
Hero (BB): 164 BB
SB posts SB 0.5 BB, Hero posts BB 1 BB
Pre Flop: (pot: 1.5 BB) Hero has K♠ Q♠
UTG calls 1 BB, fold, fold, SB calls 0.5 BB, Hero raises to 5 BB, UTG calls 4 BB, fold
Flop: (11 BB, 2 players) J♦ 7♠ K♣
Hero bets 5.5 BB, UTG calls 5.5 BB
Turn: (22 BB, 2 players) 5♦
Hero bets 6 BB, UTG calls 6 BB
River: (34 BB, 2 players) A♣
Hero checks, UTG bets 16 BB, fold
Spoiler
UTG wins 33 BB