My dog does not listen to anyone but me should I….?

Absolutely take him to obedience class. You'll both learn a lot.
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It is probably not old enough.

You have to be very careful with obedience class, the use electric collars and God know what, it many many of them.

Snow Man
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he listens to you cause he liked you the most. im guessing in your whole family you give it food and love the most? if you want you dog to listen to people in your family, tell your family to give it more attention.
you dont want your dog to everyone, because there are some bad people in the world that will dognap your dog and sell it, since your dog is pretty younge.
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I think that you should. It will be very good for him/her. I did it to my dog and she really enjoyed it. She now knows how to roll over, sit, shake, lay down and chase her tail when I tell her to

Hope it helped! -felisa
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I have a dog.