Pet Sitter - Full-time / Part-time

I have a very friendly female GSD who is still required to be leashed after CCL surgery but the yard is fenced in. She will be very excited to see her sitter and she will pull if she sees a squirrel or bunny outside but Im a 57 yo medium build woman who can handle her. She just needs to be taken out and for someone to spend a little time with her, maybe toss the ball, at lunchtime.