Criminal Minds: Hotchner's Secret Daughter

When Arron Hotchner and Hailey Hotchner were 18 years old they were surprised to find out that Hailey was actually pregnant. After their Baby girl was born the couple though it would be too hard to handle a child. Arron had started Law School while Hailey had started college. Which led them to leave their daughter in a Pram at the park with a note.
17 years later a girl named Bailee with a heart-breaking past made a deal with the FBI to assistant Garcia with the teams cases instead of going to Prison.

How will Daisy feel to find out her boss is her father? What will Daisy think when she finds out her parents had another kid? "Will Arron put the pieces together before Daisy does? What will the team think?