Not when I likely have an equity edge pf. Check out the link below. Its from BarronVonTooths article in the sept magazine. In the hand he 3 bets KQs b/c he likely has the best hand pf. An incidental effect to this play is that he makes the pot big enough where he can draw more effectively.
http://www.twoplustwo.com/magazine/issue9/toth0905.html