Prepare all of the ingredient. Preheat oven to 425deg.
In a sauce pan over medium-high heat, add all ingredients for chicken and let boil for 15 minutes. Remove chicken from pan and chop into small pieces.
In another sauce pan over medium heat, add butter, garlic powder and onion powder. Once melted whisk in flour to make roux. Cook 2 minutes then whisk in chicken broth. Cook 2 minutes then add heavy cream and green chilies. Cook 2 minutes then add cheese by handfuls until fully incorporated. Reduce heat to low.
Lay one pizza dough out on a parchment paper covered pans (baked for 15 minutes). Spread one can of refried beans over top. Top with half of chicken then half of queso sauce. Sprinkle with 1 cup cheddar cheese and half of cilantro. Repeat with second pizza dough. Place in oven for 20 minutes.
Remove from oven and sprinkle with lettuce, and tomatoes. Serve each piece with a dollop of sour cream and drizzle of taco sauce.