We have a 37 year old Ronaldo on an expiring contract and insane wages, and a moody inconsistent Morata on an expensive loan + option to buy deal.
Dybala is probably the least of our worries at the forward position and the easiest to deal with without making huge financial sacrifices, both short term and long term.
Ronaldo shouldn't be renewed and will probably leave anyway, freeing up much needed wages, money which can then be used to pursue other transfer targets and allow us to play and function more as a team. Morata is probably going back to base as well. If we sell Dybala, who do we have in attack then? We can't revamp the entire forward line.