1. Combine first 4 ingredients in a bowl; sprinkle with 1/8 teaspoon salt and 1/8 teaspoon black pepper. Toss gently to coat.
2. Melt butter in a medium nonstick skillet over medium heat. Add garlic and sausage to pan; cook 3 minutes or until sausage is browned, stirring to crumble. Stir in eggs; sprinkle with remaining 1/8 teaspoon salt and 1/8 teaspoon pepper. Cook to desired consistency, stirring to scramble. Remove from heat.
3. Heat tortillas according to package directions. Place 1 tortilla on each of 4 plates. Divide beans evenly among tortillas, spreading to a thin layer, leaving a 1/4-inch border. Divide egg mixture evenly among tortillas; top with radish mixture and chile slices. Roll up each burrito jelly-roll fashion. Sprinkle 1 tablespoon green onions over each serving.