Should I pay this off

[Erik W]

Villain is a regular TA and does not overplay hands what I have seen. He is 27/19/2.6

Pre-flop: (5 players) Hero is BB with A T
UTG calls, CO folds, Button raises, SB folds, Hero calls, UTG calls.

Flop: 4 A Qr (6.5SB, 3 players)
Hero checks, UTG checks, Button bets, Hero checkraises, UTG folds, Button calls

Turn: 6 (4.25BB, 2 players)
Hero bets, Button raises, Hero ???

I have to be ahead about 20% to call down if I don't improve. Some players play weaker As this way but it is now common. Is this always a cd?
What about a weak A? I cannot think a normal good player raises this board with a worse hand. A good Q would never raise, probably call down. I think I call down boards like this too often when the pots aren't that big.

What do you all think?

[TomBrooks]

Fold

[Buffalo Davis]

This is tough in my opinion. Default would be to call down though. Will think a little more.