Cucumber was how I got Charlie out from behind something a couple of times - his desire for that outweighed his desire not to be caught! Hammy chocolate drops do well as well (not human chocolate though).
Have you got the tube over the hole leading into a cardboard box and the bucket trap and cage nearby? Looking forward to meeting the new fluff
When you get her, get all her old bedding with her. I remember souffle saying the smell of a female's bedding should draw them out. So you could put some of that near the hole too.