Guys, I thought I was only losing from QQ, but i was wrong, how would you play it??

PokerStars - $0.02 NL FAST (6 max) - Holdem - 6 players

BTN: 102.5 BB
Hero (SB): 114 BB
BB: 100 BB
UTG: 103 BB
MP: 100 BB
CO: 436.5 BB

Hero posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has Ad Ac
fold, fold, fold, BTN raises to 2 BB, Hero raises to 10 BB, fold, BTN raises to 22 BB, Hero calls 12 BB

Flop : (45 BB, 2 players) 6d 8d 7s
Hero checks, BTN checks

Turn : (45 BB, 2 players) Qs
Hero bets 32.5 BB, BTN calls 32.5 BB

River : (110 BB, 2 players) 8c
Hero bets 59.5 BB and is all-in, BTN calls 48 BB and is all-in

Hero shows Ad Ac (Two Pair, Aces and Eights)
(Pre 83%, Flop 67%, Turn 80%)

BTN shows 8s Td (Three of a Kind, Eights)
(Pre 17%, Flop 33%, Turn 20%)

BTN wins 199 BB