Stir together black-eyed peas, corn kernels, red bell pepper, olive oil-and-vinegar dressing, green onions, jalapeño pepper, cilantro, and garlic in a bowl. Cover and chill 2 hours. Cook hot dogs according to package directions. Place hot dogs in buns; top with pea mixture and, if desired, light sour cream.
Note: Nutritional analysis includes 490mg Sodium from hot dog.