50NL 6m AQ TPGK on drawy board

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($49.25)
Button ($46.75)
SB ($81.30)
BB ($64.60)
UTG ($71.40)
Hero ($49.75)

Preflop: Hero is MP with Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, Ahttp://www.flopturnriver.com/phpBB2/...iles/heart.gif.
1 fold, Hero raises to $1.75, CO calls $1.75, Button calls $1.75, 1 fold, BB calls $1.25.

Flop: ($7.25) Jhttp://www.flopturnriver.com/phpBB2/...iles/spade.gif, Ahttp://www.flopturnriver.com/phpBB2/...miles/club.gif, Thttp://www.flopturnriver.com/phpBB2/...miles/club.gif (4 players)
BB checks, Hero ???

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Button is an OK TAG, otherwise no reads on other players.

What's your flop move here?

Check, lets see a turn card.