Aunt Sharon's Salsa Tacos with Tomatillo Dressing

Ingredients for Tacos:

8 chicken breast (Pork would work also)
1 whole jar Mango salsa
Sprinkled brown sugar (maybe 1/3)

Instructions:
Cook in the crock pot on low for 8 hours

Tomatillo Dressing:

1 package Hidden Valley Buttermilk Ranch Dressing Mix
1 cup Buttermilk (or 1 cup milk with a TBS lemon juice in it and let sit for 5+ minutes together)
1 cup mayonnaise
1 - 2 tomatillos
1/2 clove minced garlic
1/3 - 1/2 bunch cilantro chopped
1/2 teaspoon lime juice
1/2 - 1 small Jalapeno, seeds removed

Instructions:
Blend ingredients together in a blender.  Add a little additional buttermilk dressing if it is too thick.  Keep refrigerated.