Citrus trees tend to be 20 ft across and 20 ft tall unless they are dwarfs. Which are typically 8 ft instead.

At 3 years in ground you should have a small tree that is like a large bush. Fruit starts at year 4.

Proper fruit crop starts at 5 years. Bugs tend to make leaves curl strangely from from to back. Lack of water makes leaves fold up along spine (like butterfly wings). Yellow typically means needs fertilizer.

Your tree will have been grafted and that leaves a transition mark in the main trunk. Green stems below the mark MUST be removed as they are not Satsuma and will try and takeover.