Unknown Overshoves Turn into tptk AK

I don't think he's shoving the turn with a weaker Ace like AJ, but I think he's doing it a lot i think with 2 pair, as it seems quite obvious that I've got strong Ace and he wants paying. Any alternate thoughts? As I say, I have zero hands with this guy here.

(Rush)
$0.05/$0.10 No Limit Holdem
9 Players
Hand Conversion Powered by weaktight.com
Stacks:
UTG ($10)
UTG+1 ($22.68)
MP1 ($10.54)
MP2 ($3.75)
MP3 ($4.42)
CO ($10)
BTN Hero ($16.43)
SB ($11.17)
BB ($5.97)
Pre-Flop: ($0.15, 9 players) Hero is BTN
6 folds, Hero raises to $0.30, 1 fold, BB calls $0.20
Flop: ($0.65, 2 players)
BB checks, Hero bets $0.50, BB calls $0.50
Turn: ($1.65, 2 players)
BB goes all-in $5.17, Hero?