[hwy 58]

True, BUT, you can take more than one Buck in a season.

A hunter is limited to ONE (1) deer with visible antlers (excluding button bucks) per license year statewide, except additional antlered deer may be taken on WMA or State Park quota hunts or federal areas.

You are exactly right, just trying to give you a heads up in case you or your son was new to Ky. hunting, you didn't mention anything about quota hunts or wma hunts just sounded like you had a small buck down and he planned to kill another bigger one if he had the opportunity. Good Luck.