kk vs axx, turned nfd

opp is ~10/5 nit


Cake Poker No-Limit Hold'em, $0.10 BB (8 handed) - Cake-Poker Converter Tool from FlopTurnRiver.com

CO ($9.69)
Button ($23.89)
SB ($4.49)
BB ($10.36)
UTG ($6.30)
Hero (UTG+1) ($10)
MP1 ($8.40)
MP2 ($5.50)

Preflop: Hero is UTG+1 with K, K
UTG calls $0.10, Hero bets $0.40, 3 folds, Button calls $0.40, 3 folds

Flop: ($1.05) A, 7, 2 (2 players)
Hero bets $0.65, Button calls $0.65

Turn: ($2.35) 2 (2 players)
Hero checks, Button bets $1.57,

Hero ?


so im pretty sure this is a standard fold, but i wanted to double check with the implied odds of spiking the flush. can anyone lend some insight on the math for this decision?