Had two Cavalier King Charles Spaniels for quite a long time. Two brothers named Rocky and Jackson; who are a Ruby and Blenheim respectively. I’m mainly making this account because for years, when we feed the dogs we have to do it in separate rooms with a barrier between them because Rocky will attack Jackson during dinner even before he’s touched his own food. They’re both very sweet toward each other at all hours of the day except for dinner where, no matter how far away Jackson is, Rocky will bark and try to attack Jackson until they’re both done eating. Just looking for some ideas on how to fix it.