Trade Hopkins in a keeper league?

About to be 3-5 in a 3 player keeper league so starting to look more towards next season. Was offered Evans, Golladay and a 7th for Hopkins and a 15th. Declined it because I don’t believe it’s near the value Hopkins. Currently would be keeping Hopkins for a 3rd so I feel that value outweighs almost any offer unless it’s a high draft pick right? He is in first trying to stack up for playoffs so he doesn’t care as much about his picks next season