Why is she in the crate while you are home? You say she does not need to potty and really that would be the only reason for her to be crated if you were potty training and she needed to be restricted for this purpose. She should see her crate as her safe haven not a place where she is made to stay because you don't feel like having her out with you. Pebbles is crate trained and I leave the door open and she hops in if she want to get away for her own quiet time or taking a nap. Yorkies are social animals and need to be around human contact.
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