KQ vs button

Villain is 10/8 and has left my big blind uncontested for several orbits

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

saw flop

UTG+1 ($117.10)
MP1 ($54.90)
MP2 ($64.40)
CO ($45.45)
Button ($18.55)
SB ($50)
Hero (BB) ($52)
UTG ($53.80)

Preflop: Hero is BB with K, Q
5 folds, Button bets $1.50, 1 fold, Hero calls $1

Flop: ($3.25) 8, K, Q (2 players)
Hero checks, Button bets $1.50, Hero raises to $4.50, Button calls $3

Turn: ($12.25) A (2 players)
Hero bets $13, Button calls $12.55 (All-In)

River: ($37.35) 4 (2 players, 1 all-in)

Total pot: $37.35 | Rake: $1.80

well that ace kind of raped you, so let's do sum ranges

Board: 8s Ks Qs Ah
Dead:

equity win tie pots won pots tied
Hand 0: 29.157% 24.06% 05.10% 434 92.00 { KhQc }
Hand 1: 70.843% 65.74% 05.10% 1186 92.00 { AA, AcKc, AdKd, AhKh, AsJs, AsTs, As9s, KcQc, KdQd, KhQh, AcKd, AcKh, AdKc, AdKh, AhKc, AhKd, AsKc, AsKd, AsKh, AsQc, AsQd, AsQh, AcJs, AdJs, AhJs, AsJc, AsJd, AsJh, AcTs, AdTs, AhTs, AsTc, AsTd, AsTh, As8c, As8d, As8h, KcQd, KcQh, KdQc, KdQh, KhQc, KhQd, KcJs, KdJs, KhJs, KcTs, KdTs, KhTs, JcTs, JdTs, JhTs, JsTc, JsTd, JsTh }

shit, really?