To tame one is easy.

First find a pack, kill the lower level ones so the effect goes away.

Get it to chase you

If it stops pick up a Dino (argy recommended)

Make a stone trap, One stone gateway and door, 5x5 stone walls, wooden ramps on one side

Bring the all into the trap

If you did it right then you should be Abel to shoot him with tranq darts through the walls

When it starts to run get into the trap and shoot