To prepare glaze, combine first 4 ingredients in a medium saucepan; bring to a boil. Cook for 15 minutes or until reduced to 1/3 cup. Remove and discard rind and cinnamon. Add butter, stirring with a whisk. Remove from heat. Keep warm.
To prepare skewers, thread peaches, plums, grapes, and cherries alternately onto each of 8 (8-inch) skewers; brush with 2 tablespoons glaze, reserving remaining glaze. Place skewers on grill rack coated with cooking spray; grill 4 minutes on each side or until lightly browned.
To prepare cheese, combine ricotta and remaining ingredients, stirring well. Spoon about 3/4 tablespoon remaining glaze on each of 4 dessert plates; top with 2 skewers. Spoon about 1/4 cup cheese mixture on each plate.
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