Stretch a Buck Turkey and Bean Burrito Burgers

Name: Stretch a Buck Turkey and Bean Burrito Burgers
Ingredients: 1 cup cold leftover white or brown rice; 1 pound ground turkey; 1 (15-ounce) can pinto beans, rinsed and drained; Palmful chili powder; 1 1/2 teaspoons, half a palmful, cumin; 1 1/2 teaspoons coriander, half a palmful; 1 tablespoon grill seasoning, (recommended: Montreal Seasoning by McCormick); 1 tablespoon canola oil; 1 ripe avocado; 1 clove garlic, grated or finely chopped; 1 lime, zested and juiced; 1 jalapeno or serrano pepper, seeded and finely chopped; 1/2 small red onion, finely chopped; 1/2 cup sour cream; 4 red leaf lettuce leaves; 1 ripe tomato, sliced; 4 crusty rolls, split