Preheat oven to 400°F. Mix oil and 1/4 teaspoon of the cinnamon in medium bowl. Add carrots; toss to coat well. Spread evenly in 13x9-inch baking pan sprayed with no stick cooking spray.
Bake 30 minutes or until carrots are tender, stirring occasionally. Let stand until cooled to room temperature.
Place carrots in food processor or blender container; cover. Pulse until carrots are almost smooth. Add yogurt, honey, orange juice, ginger and remaining 1/4 teaspoon cinnamon. Pulse until carrots are smooth. Spoon dip into serving bowl. Cover. Refrigerate until ready to serve.