Easy Dinner Nachos

1/2 lb. extra-lean ground beef
1 (15 oz.) can Pinto beans, drained and rinsed.
1 (1 1/4 oz) package Taco Seasoning Mix
1/3 Cup water
3 1/2 cups (3 oz) reduced-fat nacho cheese tortilla chips
2 oz (1/2 cup) shredded reduced-fat colby-Monterey jack cheese blend
1 medium tomato, chopped
1 cup shredded leaf lettuce
1/2 cup nonfat sour cream
2 Tbs. chopped fresh cilantro

In large nonstick skillet, brown ground beef; drain. Stir in beans, taco seasoning mix and water. Bring to a boil. Reduce heat; simmer 1 to 2 minutes until water is absorbed.
Arrange tortilla chips on 6 dinner plates. Spoon beef mixture over chips. Top with cheese, tomato, lettuce, sour cream and cilantro.