I use to deep fry turkey all the time, years back, you said that you are wanting to do chicken breast. The skin is important when frying it like a turkey, the skin keeps it moist and from drying out as bad,and if you buy cut breast skin will only be on one side. In my opinion you would do better off buying whole chickens for this. #1 PEANUT OIL is the best for this, you need enough oil that will cover the complete chicken when you lower it in, BUT YOU POT NEEDS TO BE LARGE ENOUGH THAT THE OIL ONLY FILLS IT ABOUT 1/2 FULL, this is because when you lower the chicken in the oil IT WILL BUBBLE UP AND OVER FLOW if your pots not big enough. First you need to heat and keep your oil about 350 at all time, heat the oil to 350 lower the chicken SLOWLY you oil will bubble and rise, if it start to rise to much raise the chicken back up, this is because of the juices in the chicken, if the oil is hot enough and as you lower the chicken it seals the chicken and and keeps it moist inside of it. I don't remember the time it is (I THINK 7-9 MIN. PER POUND) goggle deep fry whole chicken, thickest part of thigh should register at lease 165°F,or you can watch it pull it out at lowest min per pound, lay it down and cut it at a leg/thigh joint if you see blood in the cut joint it not ready put it back in awhile longer than check it at the other leg/ thigh joint until no blood.
You can inject your chicken with a (meat injector) or any rub the longer you let the season stay on or inside the chicken before cooking the better, you can do this with anything you make up or buy.Or you can just fry it like it is.
(batter fry chicken)
IF you decide to batter and fry just chicken pieces try dipping it in some (mixed pancake batter), salt and pepper, than put it in a bag with some flour shake lightly, pull it out and fry it. amazing