Party, $0.10/$0.25 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $25 (100 bb)
BB: $34.07 (136.3 bb)
UTG: $107.53 (430.1 bb)
MP: $37.10 (148.4 bb)
CO: $31.82 (127.3 bb)
Hero (BTN): $25.38 (101.5 bb)

Preflop: Hero is BTN with K A
UTG folds, MP raises to $0.75, CO folds, Hero raises to $2.30, 2 folds, MP calls $1.55

Flop: ($4.95) 3 K Q (2 players)
MP checks, Hero bets $2.50, MP calls $2.50

Turn: ($9.95) 6 (2 players)
MP checks, Hero bets $5.80, MP raises to $12, Hero folds

Results: $21.55 pot ($1.07 rake)
Final Board: 3 K Q 6
MP mucked and won $20.48 ($9.88 net)
Hero mucked K A and lost (-$10.60 net)

Opponent: 17/11 agg 1.4, WTSD/W$SD//WWSF 15/40/41, hands 326
I thought he cannot have blufs here besides combodro and usually, I will see here KQ or QQ. Did I play badly?