Combine all Sauce ingredients in a saucepan and bring to boil. Reduce heat and simmer 5 minutes. Spread sauce on crust.
Drain chicken and dry well with a white paper towel.
In large pan, cook and stir chicken for 3 minutes. Add vegetables and cook and stir until vegetables are crisp tender, 3 to 5 minutes. Spread all this evenly over the crust. Spread cheese over all.
Bake in pizza pan in preheated 425 degree F oven for 7 to 12 minutes until cheese is melted and bubbly.