Here is a great video from National Association for Gun Rights about moving while shooting at a target. Good shooting skills are more than standing in a stationary position, shooting at a stationary target. No matter what your shooting skill level is, you should always practice the basics. Firearms handling isn’t something that you can afford to get complainant about.
Our suggestion is to review and practice these skills with a dummy pistol, and then on the range with a qualified firearm instructor.