Sauté the onion until translucent; stir into the yogurt. Lightly saute the zucchini and squash. Spread the rice on the bottom of a medium-sized baking dish.
Combine the zucchini, squash, red pepper, and dill. Place on top of the rice. Pour the yogurt-onion mixture over the squash and top with bread crumbs.
Bake for 30 minutes or until crumbs are lightly browned in a pre-heated 350° F oven.
Servings: 6