Yes, Remme is of loving pet quality. And I am sure you love him with all your heart. He looks like such a sweetie. I would have him altered and love him just the same. You really don't want to get in all that mess of breeding him and worry about him.
I have included a link from YTCA of pictures of yorkies for you to compare him too:
http://ytca.org/frame_index2.html Scroll down to yorkie pictures.