I think its better to remome exiting FAM and add new UIBB with link and some explanation.
Read this wiki for Personal profile and HCMPF integration, it talks about similar kind of requirements.
Exciting Enhacements to ESS Personal Information Profile in Enhancement pack 6
These will hep u in adding new uibb or updating uibb in personal preofile
Dummies Guide: Configuring Overview Screens in Personal Profile
EHP5 Reuse Country Applications
Summary of configuration options in ESS Personal Information scenario
HCM EHP5, EHP6 and HR Renewal,Fiori Important links and documents