distraction from the activity he don't like, and at the time when he gets aggressive , process will take time but will show you the results

Bro, every dog's characteristics differ. And it is obvious that every puppy during their childhood will show some aggressiveness as they've lot of energy. Take your puppy for a long walk so that all his energy will be consumed.

What you feel is aggression is actually an overzealous attitude. You have to drain his energy and when he gets too excited, stop playing with him for a while... and just like that it's back to normal.Start training him again good habits. Talk to the Dr. and see if you can give him toys, if he likes it at this age, Let him play

Controll him by giving lesson and treat while you cammanding