Toss chicken with seasoning blend. In a large nonstick skillet, heat oil over medium-high heat. Add chicken and brown evenly; remove from pan., In same pan, combine broth and lemon juice; bring to a boil, stirring to loosen browned bits from pan. Stir in pasta; return to a boil. Reduce heat; simmer, covered, 10 minutes., Add broccoli; cook, covered, 5 minutes. Return chicken to pan; cook, covered, until pasta is tender and chicken is no longer pink, 2-3 minutes longer, stirring occasionally. Add peas; heat through. Stir in pesto.