Possible Clues:

• Distressed dog, for example
• Modern food critic
• Unknown East Ender’s assistant, one emitting shrill cries
• Online reviewer who might post 17-, 20-, 35-, 53- and 58-Across
• Certain online food critic
• Many a toy
• Shrill barker
• Noisy pooch
• Pomeranian, for one
• Barker looks up the answer about the East