In a skillet, saute the skinless and boneless chicken breasts in butter and olive oil over medium/high heat until lightly browned and cooked through. Chop into bite-sized pieces and set aside.
Add sliced onion to the skillet. Saute over medium heat until translucent. (about 10 minutes) Add a little more olive oil if necessary.
Add sun-dried tomatoes, garlic, parsley, lemon juice, white wine, and salt and pepper to skillet. Cover and saute on low for 15 minutes.
In the meantime, cook the farfalle in a pot of boiling water according to package directions al dente.
When the pasta is done use a slotted spoon and and add to the skillet. You can add soup ladle of pasta water to make a richer sauce. Toss to mix in ingredients and sauce.
Add to serving plates and top with crumbled goat cheese and parmesan.