Last time I did a Butt, I applied the rub the night before and wrapped it in plastic wrap. The next morning, it was a big, sloppy mess. I'm afraid that I rubbed on the rub too early and the salt drew the juices out of the butt? What's the optimal time, in your experience, to rub on the rub for a butt? Is it different that applying the rub for brisket or ribs?