Curried Chickpea Burritos

Name: Curried Chickpea Burritos
Ingredients: 2 tablespoons unsalted butter; 3/4 cup basmati rice; 1 3/4 teaspoons Madras curry powder; Kosher salt and freshly ground pepper; 1 small red onion, finely chopped; 2 cloves garlic, minced; 1 15.5-ounce can chickpeas, drained and rinsed; 3 small tomatoes; 3 Persian cucumbers; 2 tablespoons fresh lemon juice; 4 burrito-size whole-wheat tortillas; 1 1/2 cups plain whole-milk yogurt