Navi river ride as 4th FP at the end of Oct?

[bcinohio]

We will be at WDW Oct 20-27. AK day is Wed Oct 24. I hope to get a FP for FOP (it will be our 60+4 day). Trying to decide if we should rope drop Navi River or try for a 4th FP. We are a prarty of 5. What has worked well for you? Thanks