Place The Cranberry Sauce In A Bowl, And Mash. Mix In The Onion Soup Mix And Orange Juice Together Until The Mixture Is Well Combined. Spray The Inside Of A Slow Cooker With Cooking Spray, And Place The Turkey Breast Into The Cooker. Pour The Sauce Ingredients Over The Turkey Breast. Set The Cooker On Low, And Cook Until The Turkey Breast Is Very Tender, About 7 Hours.