The reason i asked about the poley being brought out of season was because i thought it may be hormonal behavour, if she was jabbed she could be having a phantom pregnancy as she is guarding the nesting box, the poley & the albino jills probably have a mutual respect for each other, but kits being kits need to be schooled by the adults as to whats acceptable & not within the group you have.
I think as long as she isnt in kill mode i would just watch the behaviour & act accordingly, if you need to move her out then do so, i personally wouldnt let it get to the point where they a