Belgian Malinois

I need some advise. My daughter wants to adpot her bomb dog that she worked in Afghastan for the past 2 years. He is 7 years old, high drive, purebred but the not sure if he has any papers. I have German Shepherds, and from what I hear Mal's are very high energy. I have kennel space, so having room for him would be no problem. He would be staying with me and my Shepherds until my daughter could find another place to keep him.  I am a dog trainer, but I would not have time to work this dog. Any suggestions. I am not even sure what I am asking here.