You’ve discovered the secret. Pasta water in your sauce makes for a perfect dish.Very nice Ragu - I haven't used chicken that way before but I may give it a try soon.
My son and I collaborated on a pasta con brocoli con chicken el diablo e olio last night (the name of this dish gets longer each time I tell the story) This was basically a mash up of pasta e olio with orecchiette pasta, chicken, broc, onions garlic, dried herbs and pasta...turned out nice. Although I've made pasta e olio a bunch of times, I tried a new-to-me technique this time (with my son stirring and tossing vigorously) using pasta water to really bring the dish together... OH MAN was it so much better. I learned the technique from this video. The video was not highly entertaining, but was highly informative.