Drax is huge, and now burns canadian imported wood rather than coal which is was built for because it can be considered carbon-free.
And growing forests is a viable option but the problem is that the carbon is only captured for as long as you don't burn the wood or let it rot, it has to be either buried or turned into things which ultimately won't release their CO2 back into the air.
A dump beats every commonly proposed method of carbon sequestration because people pay you to take it and all you need to do is prevent that carbon from entering the atmosphere.
Plus we should avoid burning captured carbon