Best Ever Baby Back Ribs with BBQ Sauce

Melt butter in 3-quart saucepan over medium heat until sizzling; add onion. Cook, stirring occasionally, 3-5 minutes or until softened.

Stir in all remaining sauce ingredients; continue cooking 5-6 minutes or until mixture is slightly thickened.

Pour into mini-food processor bowl fitted with metal blade or blender container; process until smooth.

Bring water to full boil in 6-quart saucepan; add ribs. Cook over medium-high heat 20-25 minutes or until internal temperature reaches 195°F and ribs are fork tender.

Heat <em>one side</em> of gas grill on medium <em>or</em> charcoal grill until coals are ash white. Place coals to <em>one side</em> in charcoal grill. Make aluminum foil drip pan; place opposite coals.

Place ribs onto grill over drip pan; brush with sauce. Grill with lid closed, brushing with sauce and turning occasionally, 25-30 minutes or until ribs are fork tender.