Connecting PayPal to an existing QB PP Acct

I have an existing PP acct in QB: https://loom.com/i/53cac78c61704e7fba27e1f1c6991149

And I start the connection process from this acct.  At Step 2 of the process it wants to  establish the QB acct to hold the transactions, initially suggesting PayPal Bank, an acct that QB created for me.  When I click Edit I'm presented a very short list of accts that doesn't include my existing PP acct:  https://www.loom.com/i[removed]fe4694a438f96ecf1586fa  

So how do I get an existing acct connected to PayPal?