Bob has his main meal in the afternoon/evening after I have mine so he has scraps added now and then, but even if he doesn`t he still eats it all 99.9% of the time. And waits for his Bonio biscuits for afters! However, he hasn`t always been that way, he used to be very fussy about his food, wet or dry, and I`m not really sure when he changed to eating properly/well, it was so gradual, took quite a time. It was a combination of getting a food he liked/suited him and sort of weaning him on it, one day adding some grated cheese, next time gravy/soup(especially chicken), sometimes warming it a little, then gradualy reducing the added stuff until as it is now, occasionally.
I did once have an opposite sort of a problem to the one you have with Roxey. Duke, a GSD who refused to eat sometimes, until I got another two dogs, he soon figured out that if he didn`t eat it Blue or Max would, he soon stopped being so fussy!
So, I don`t think I can help much with Roxey except to suggest maybe doing some of what I did with Bob, feed her once a day, warm the food up a little/add some cheese or favourite something, also maybe feed her on her own? Though I don`t know how feasible any of that could be, given that you have the three dogs.
Anyway, perhaps it is a husky thing and in that case maybe the other husky owners on Pet Talk will have the answer for you. Hope so. Anyway, Good luck with finding the solution.