So, will we have this same free will in Heaven?
Why do you ask this question?
How can the ignorant reply with accuracy??
1 Corinthians 2:9
However, as it is written: "What no eye has seen, what no ear has heard, and what no human mind has conceived"- the things God has prepared for those who love him-
Yes, however, why would any soul, upon reaching Heaven, and having the Beatific Vision, want otherwise?
Conversely, those experiencing Hell would be desperate to enter Heaven, but had acted in such a way to reject it.