Unless you take drugs, doing two or three full body workouts a week separated by 72 (for 2) or 48 (for 3) hours is far more optimal for protein synthesis operation. PPL and upper lower bro splits only work when you literally don’t have to worry about recovery (perfect T and other hormones).
But the rest of this is great advice and would recommend Starting Strength before 5x5.
That and fighting millions of years of evolutionary instinct screaming at you to eat everything you can when you start reducing calories in case you won’t eat again for a few days.
It’s only been MAYBE ~150 years that all classes of society had ready access to food.