Place scallops on paper towels to remove excess moisture.
Place a large nonstick skillet over high heat until hot. Add half of scallops; cook 2 minutes on each side or until browned. Remove scallops from skillet; scrape off any residue in pan with a wooden spoon. Repeat procedure with remaining scallops.
Heat oil in skillet over medium-high heat until hot. Add onion and garlic; cook, stirring constantly, 3 minutes or until tender.
Return scallops to skillet; add clam juice and next 3 ingredients. Simmer 1 minute or until thoroughly heated. Sprinkle with chives before serving.