That sounds good. I think his growth lengthwise will start to slow and he will start putting on weight over the next 6 months or so. Just keep tracking his weight and watch how it is trending over time. It's best to compare his weight to his own history.
Hi Karrie, all beardies have different body structures so they can vary , esp. as they grow. Even if they are on the lean side it is fine, a lean dragon is generally healthier and over all more fit + active unless they are too lean from perhaps illness or being underfed.