Place tofu slices on several layers of paper towels; cover with additional paper towels. Place a dinner plate on top of covered tofu; let stand 30 minutes. Remove plate; discard paper towels. Cut tofu slices into 1/2-inch cubes.
Combine broth, cornstarch, soy sauce, oyster sauce, and chili garlic sauce, stirring with a whisk.
Heat a large nonstick skillet over medium-high heat. Add pork; cook 4 minutes or until done, stirring to crumble. Add ginger and garlic; cook 1 minute, stirring constantly. Add tofu; cook 4 minutes or until golden, stirring frequently. Add broth mixture to pan. Bring to a boil; cook 1 minute or until mixture thickens. Remove from heat.
Serve tofu mixture over rice. Sprinkle with onions.