PLACE chicken in slow cooker. Add broth, onions, celery and carrots; cover with lid.
COOK on LOW 8 to 10 hours (or on HIGH 3-1/2 hours).
ADD peas and cream cheese spread; stir until cream cheese is melted and sauce is well blended. Mix stuffing mix, hot water and eggs until blended; drop in 2 heaping-tablespoon portions over chicken mixture. Cook, covered, on HIGH 30 min. Gently turn dumplings; cook, covered, 15 min.