[Jerkass333]

I'd prefer a raise preflop 4-handed, no need to get tricky with the limp-reraise. Just raise and you have a decent shot at isolating the LAG if he 3-bets you. Post-flop looks fine. Fast-playing is best against LAGs, and while it looks from the title of your post that you lost to something like A9 or a set, post-flop is still fine. You can't fold this against this opponent, or anyone without a solid read.