Villain is 26/9 with a fold to flop cbet of 45% over 150 hands

I get stuck in these situations. I have no idea what to do. Since he min raises I'd say he's begging for a call which would lean more towards sets and Q9. I think he'd push a bit harder on the flop with his combo draws


PokerStars No-Limit Hold'em, $0.50 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

CO ($50)
Button ($125.40)
SB ($17.55)
BB ($46)
UTG ($51.75)
UTG+1 ($49.55)
Hero (MP1) ($50)
MP2 ($59.35)

Preflop: Hero is MP1 with K, K
UTG calls $0.50, 1 fold, Hero bets $2.50, 2 folds, Button calls $2.50, 2 folds, UTG calls $2

Flop: ($8.25) 5, Q, 9 (3 players)
UTG checks, Hero bets $6, Button raises to $12, 1 fold, Hero calls $6

Turn: ($32.25) 7 (2 players)
Hero checks, Button bets $20, Hero folds

Total pot: $32.25 | Rake: $1.55