He isn't leg lifting now but if not neutered he WILL-
He was sold with limited reg which means he should not be bred
Are you knowledgeable about breeding ie: pedigrees , blood lines , what all goes into insuring healthy puppies and all the work involved. If you don't want a Full time job , you better rethink this.
I can tell you are considering it for the "fun" of cute puppies - PM me if you want more info.