1Heat rhubarb, apple juice, brown sugar and 1 cup of the raspberries to boiling in 1 1/2-quart saucepan; reduce heat. Simmer uncovered about 10 minutes, stirring occasionally, until rhubarb is soft. Cool about 30 minutes.
2Stir in remaining 1 cup raspberries. Spoon into dessert dishes. Top with sour cream.