2/4 - reg checkraises instead of cbets

Villain's running 23/20/3.7, cbets 75% and seems competent. We've battled some, but mostly pre-flop. I don't think he's seen me spew or pull any big moves. Check/raising this flop instead of cbetting seems so fishy that I want to make a move here...

Full Tilt No-Limit Hold'em, $4.00 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

saw flop

BB ($114)
UTG ($400)
MP ($348)
Hero (CO) ($1078.10)
Button ($392)
SB ($71.60)

Preflop: Hero is CO with Ahttp://www.flopturnriver.com/phpBB2/...es/diamond.gif, Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif
UTG raises to $14, 1 fold, Hero calls $14, 3 folds

Flop: ($34) 3http://www.flopturnriver.com/phpBB2/...miles/club.gif, 7http://www.flopturnriver.com/phpBB2/...miles/club.gif, 6http://www.flopturnriver.com/phpBB2/...es/diamond.gif (2 players)
UTG checks, Hero bets $28, UTG raises to $95, Hero...

I do this with AK more than I do it for value fwiw.