Cook basmati rice according to package directions.
In a small bowl, combine chicken broth, hoisin sauce, soy sauce, cornstarch, and Sriracha sauce. Mix together well and place 1/4 cup of sauce in a medium bowl with pork. Marinate for 30 minutes. Reserve rest of sauce.
Heat nonstick skillet over high heat. Once hot, add 1 tablespoon vegetable oil. Swirl to coat pan and add pork. Stir fry for 2 minutes and flip pieces over. Remove from pan once no longer pink. Wipe pan clean.
Add remaining tablespoon oil to pan and heat over medium-high heat. Add asparagus and red bell pepper and stir-fry for 2 minutes. Add mushrooms, red onion, and white parts of green onion and stir fry 2 minutes. Add garlic, ginger, and green parts of green onion and stir-fry 1 minute.
Stir in reserved sauce and bring to a boil. Add pork back to pan and heat for 1 minute. Drizzle sesame oil over stir fry. Remove from heat and serve with rice.