KK in 3bet pot auf flushboard

[Frankie87]

Gegner ist: relativ solider reg mit 52% fold to 3bet, 36% fold to cbet, 7% raise cbet, stats sehen nach nem notorischen floater mit 83% bet ip am turn aus.

Whats my line?

$1/$2 No Limit Holdem
6 Players
Hand Conversion Powered by weaktight.com

Stacks:
UTG ($210.90)
UTG+1 ($273.55)
CO ($200)
BTN ($292.58)
SB ($280.78)
Hero ($234.40)

Pre-Flop: ($3, 6 players) Hero is BB K K
2 folds, CO raises to $6, 2 folds, Hero raises to $21, CO calls $13

Flop: 7 3 Q ($41, 2 players)
Hero bets $26, CO calls $26

Turn: 10 ($93, 2 players)
Hero ($187.4)?

[Stuntman Mike]

bet/call 57.