NL100 - 3 Bet AKo facing top decision

[LuxuryMaster]

Poker Stars - No Limit Hold'em Cash Game - $0.50/$1.00 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $49.75
Hero(BB): $200.65
UTG: $50.65
UTG+1: $101.10
CO: $86.35
BTN: $249.95

Preflop: Hero is dealt K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] (6 Players)
4 folds, <font color="red">BTN raises to $4.00</font>, 2 folds, Hero raises to $15.00, BTN calls $11.00

Flop: ($30.50) A[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $26.00</font>, BTN raises to $80.00

Hero?

Read on BTN: loose-aggressive player who calls 3 bet preflop a lot after he raises, I decided to play my hand strong. No sign of overplaying hand observed.