I wouldn't choose either but if I had to pick one it would be RC. 
If I fed RC it may not be the one designed for Yorkies. 
Ellie was on an RC prescription diet for a few days and she had an obvious intolerance to it.     
				__________________  Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶      |