Dry side is not what that plant likes. It likes moist not soaking but moist soil. Moist like a cloth that water has been squeezed out. Since you are in FL it is probably getting enough humidity which it likes. But you also have very strong sun. Place it so it does not get any direct sun.
Watering
People often come unstuck with the Calathea when it comes to its watering requirements and here's why. This plant demands to be moist at all times, but not "wet" or sitting in water.
here is a good care article.
https://www.ourhouseplants.com...
