Possible Clues:

• Milne's bear eating Charlie's dog
• One might be fetching
• Yorkshire terrier, e.g
• Canine, slangily
• Lab, for one
• Nip back to lock up commander's dog
• Dog, cutesily
• Pet — one of cat-lover's hates, primarily?
• Some rising coach co-opts one of our best friends
• Jump up to grab commander's dog