Answer: canisminor

AnswerCrossword Clue
CANISMINORNeighbor of Gemini and Hydra
CANISMINORProcyon's constellation
CANISMINORWhere Procyon is
CANISMINOR"Smaller dog" constellation
CANISMINOROrion's neighbor
CANISMINORCelestial pooch
CANISMINORSky underdog?