I, unfortunately am no expert, as I have never had a baby cham (but have had other baby reptiles). However, there are a few things that concern me.
First, what kind of UVB bulb are you using? I am assuming it is a coil bulb since it is over a 10 gallon tank. You really want to get him a linear tube style UVB bulb.
Second, you should only be using calcium w/D3 once or twice a month. You need to get calcium w/o D3 for dusting daily.
Are you gut loading the crickets before feeding them? This will make them MUCH more nutritious!
And then there is the glass tank. There are several reasons you should not be using it. The first is that it does not allow for good air flow, which chams require for good health. Also a 10 gallon tank is very difficult to regulate temps in. It is very hard to have a warm basking spot and a cool side. It is also too small, it may be ok for a month or so, but then he should really be moved to a larger screen cage. You can buy a large one (fit for an adult) and section it off. As he grows remove the dividers to give him more room until he is large enough to use the entire enclosure.
I also think he needs more mistings. Baby's can get dehydrated VERY easy! I mist my veiled 4x a day for 5 minutes each time. Twice a day for only a minute or two is just not enough. It can take several minutes of misting to simply trigger a drinking response in chams.
Finally, you MUST get a reliable thermometer and hygrometer (humidity gauge). If the temps are not high enough, your cham will not be able to digest his food properly and will be malnourished. If the humidity is not right (too high or low) he can develop respiratory issues and infections. Without knowing what the temps and humidity are, there is no way to ensure your cham is properly cared for. I would think that in Florida you should not need the aluminum foil on covering the screen, especially with a glass tank. If you increase your misting, and spray the whole tank down, you should find that the humidity will stay between 50-80% throughout the day. I live in Colorado, VERY dry, and have no problem keeping my enclosure between 60-90%. It will usually drop to about 60%, but after misting goes up to 99% then slowly down to 60% before being misted again.
Good luck with your little guy.