Halal Guys Chicken and Rice

Name: Halal Guys Chicken and Rice
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: Middle Eastern
Ingredients: 2 lbs chicken breasts (900 g, about 6); 1/4 cup olive oil; 2 tbsp lemon juice; 1 tbsp white vinegar; 3 garlic cloves, minced; 1 tsp salt; 1/2 tsp black pepper; 1 tsp oregano powder; 1 tsp all spice or seven spices; 1/2 tsp ginger powder; 1/2 tsp cumin powder; 1/2 tsp paprika powder; 1 tbsp vegetable oil for cooking; 3/4 cup Greek yogurt (170g (6oz)); 1/2 cup mayonnaise (115 g); 1 tbsp water; 1 tsp lemon juice; 1-2 tsp sugar; 1/2 tsp salt; 1/4 tsp black pepper; 2 tbsp unsalted butter; 1/2 tsp turmeric powder; 1/4 tsp cumin powder; 1 1/2 cups basmati rice, soaked for 20 minutes then rinsed until water runs clear; 2 1/2 cups chicken stock (or 1 stock cube dissolved in 2.5 cups hot water); salt and pepper to taste, a pinch of each; 1 chopped tomato; handful chopped parsley; sriracha sauce