There's no way against a loose, aggressive player that you can bet into that turn, even if he NEVER bluff raises (which is unlikely. With the pot at 6 BB, and you commiting yourself to 2 more bets, you're looking at 1-4 pot odds. You have 3 outs (6 outs that we've discounted to 3 for the times that you are ahead. Betting is horrible! You must fold!