Google reputable breedering practices. I can't post a link here because it will bring you to breeders sites and that is considered advertising which is against the forum rules.
First you need to take her to your vet and have her hips/knees and eyes checked (as well as for problems that affect Shiba Inu's). Then when you find a stud, you need to do the same with him. If both have good hips, knees, eyes, temperament and are free of genetic abnormalities, you should then search for a reputable breeder that is willing to be your mentor.
Sometimes we speak to change the world other times we speak to keep the world from changing us.