Season the chicken pieces with 1/2 teaspoon salt and 1/4 teaspoon pepper.
Heat 1 tablespoon olive oil in a large skillet over medium-high heat, then add the chicken and cook 6–8 minutes until cooked through and no longer pink; transfer chicken to a plate if needed.
Reduce heat to medium, add 2 teaspoons minced garlic, 1 teaspoon paprika, 2 teaspoons dried Italian seasoning, and 1 cup chopped sun-dried tomatoes to the skillet and cook 1–2 minutes, stirring, to release the flavors.
Stir in 1 cup dry orzo and 2½ cups chicken broth, bring to a boil, then reduce heat to a simmer and cover the skillet.
Simmer covered for 10–12 minutes or until the orzo is tender and most of the liquid is absorbed.
Pour in 1 cup half-and-half and return the cooked chicken to the skillet; stir until combined and the orzo absorbs the cream, adding a little more half-and-half if it seems too dry.
Stir in 1 cup grated Parmesan and 1/2 cup chopped fresh basil until the cheese melts and the basil wilts; taste and adjust seasoning with salt and pepper as needed.
Serve immediately.