Welcome, There are many new Rangers here but not a lot of old guys. At least not many older than me.
Line-X and Rhino are typically the best bed liners. They are both professionally sprayed on liners. Line-X tends to wear better (is harder) and Rhino is better for anti-skid (is softer). There are some do it yourself bed liners that are decent but the are not as durable. However, they are much less expensive.