Here’s the best advice I can give you since I nor anyone else is w your pup.
Look at the behavior the dog is showing, if it’s behavior you want, give them what they want, if it’s non desirable behavior, at this age, practice negative punishment and remove what it is they want.
Formal obedience training as in longer in duration, more complex and higher expectations, is still a little ways off. Behavior shaping now so formal obedience later is easier is the way to go.
When training dogs I use behavior modification as b.f skinner implies the 4 quadrants of behavior modification. At the age your puppy is at, I would focus more on the negative punishment, positive reward aspect. The dog will show you when they are ready for positive punishment or negative reward.
In anything you do at this age look at the behavior and decide if it’s desirable or not.
I.e whining for attention in crate, if it’s desirable, go pay atttention to the dog and give them what they want, it will reinforce said behavior and make it solidified. If it’s not desirable, ignore it till you get the behavior you want, then reinforce the behavior you want. That’s all shaping is, and more grossly, dog training generally.
Also, the younger the dog the shorter opportunity window you have to reward or correct the dog.
I.e the old wivestale about rubbing your dogs nose in their piss when you come home from work.
People thought it was working bc when they come home if there is piss they figured the dog knew better and would hide. Coincidently: the behavior of actually pissing was so long ago, the dog doesn’t connect the act of punishment w the behavior. The dog was hiding bc they knew if there was piss on the floor when dad came home something bad would happen, they can’t connect the actual behavior of pisskng in the house to the correction. Same goes for rewarding. If your dog sits and you walk away and they follow you barking so you give them a treat, they are being rewarded for barking and following not the sit.
Just immediately reward the behaviors you want and ignore the ones you don’tDesire and you’ll be well on your way.