Whisk mayonnaise, sweet chili sauce, sriracha, rice vinegar, and honey until smooth; set aside.
Heat 1 tbsp oil in a large skillet over medium-high. Season chicken with salt and pepper.
Sear chicken until browned and cooked through, 5–6 minutes. Transfer to a bowl.
Add remaining 1 tbsp oil. Stir-fry garlic and ginger until fragrant, about 30 seconds.
Toss in peas and carrots. Cook, stirring, for 2 minutes.
Add cold rice. Break up clumps and cook until hot and slightly crisp, 3–4 minutes.
Pour in soy sauce and sesame oil. Stir to coat the rice evenly.
Return chicken to the pan. Stir in 2–3 tbsp bang bang sauce and warm for 1 minute.
Fold in green onions. Serve with extra sauce drizzled on top or on the side.