Welcome to the boards brother!! Id go with a minimum of 12 sets per small body parts and 15 sets for back and legs. But Id do them in the same day. Id also make sure you are going heavy enough to reach complete failure by the 12-15 rep. I made my best gains this way. Id go with a split similiar to this:
Monday: Chest
Tuesday: Triceps and Biceps
Wednesday: off
Thursday: Legs
Friday: Back (and deadlifts)
Saturday:Shoulders and Traps
Sunday: off
You can always modify it to fit your recovery ability. Also, abs, rear delts, forearms and calves can be trained as desired. You dont have to worry as much about recovery on these muscles. Ive also found deadlifts not to be necessary for building my upper back size. I gained all of it from heavy rows and lat pulldowns, chin-ups, all upper back specific work. Deadlifts increased my waist significantly and also the traps, but thats about it. You might want to try them in your routine anyway though, but with emphasis on the 5-12 rep range and not on one rep maxes or 15+ rep sets. Only because form can be sacrificed as said, and that could be dangerous now that your starting out. This type of routine worked great for me, and though it seems high volume at first, you should adjust over time. PM me if you have any questions. Hope that helps