I would bed it at the recoil lug and about 0.75" - 1.00" in front of the lug. I too wouldn't have worried about the crown until you had known the barrel was broken in, ammo was consistent, torque dialed in on the action screws, bedded the recoil lug, etc.
Despite all that, I too am a DIY to some extent and you went beyond what I would have tackled myself. I think you did a fine job and just "tuning" and or practice shooting is needed.
Good luck...