I'm so sorry to hear that you're continuing to have aggressive issues with Chubbs. I don't know what to suggest or add to the advice you've already received as I don't have any experience with this. Have you taken him to the vet to see if there are any medical reasons why he would be acting this way? I know thyroid problems and pain can both cause behaviour or aggression in dogs. It's worth a try. Maybe you can keep him in his crate while you make his food, and place it on the floor before letting him out to eat it. I hope you can find a reason or a solution to his biting, and I know this must be both frustrating and heart breaking for you because you love your baby. Hang in there and keep us posted. Sending prayers your way.