Advice on my dog

So I’m super against getting rid of animals once you have already committed to taking care of them. My little boy had been in my life for two years now. I’ve tried to train him but he is a very crazy dog. I can take him to the dog park for 3 hours and I’ll come home and he starts to run everywhere again jump from one side of the couch to the other. He’s destroyed it.... I’ve learned to be patient with it but for the first time ever he bit me. Now I. His defense there was a cat around and the were in a little bit of a fight. I was trying to shew him away while closing the door to separate them and he bit me!!!! I know he feels bad and I’m not angry with him but I am pregnant. I’m worried about him lashing against our baby. Jumping on our baby. I’m worried I won’t be able to give him the attention he deserves and needs. I’ve been living with my mom while we find a home that is good for everyone. I wanted him to be around kids and get used to them. He’s done fairly well but still is very crazy and hurts people. I hate saying all this but I really and split. I love him so much. He is such a snuggle bug but just a jealous hyperactive dog. I thought about taking him to a professional trainer but they are so expensive and every penny has gone to this pregnancy with me being high risk I’ve gone in much more than others. Please no hate. I know you shouldn’t give up on them. They are family. Just can’t tell if I’m wrong for considering it. What would you do?