I actually dont have any negative associations woth [name_m]Ryker[/name_m], out of the two I think that would be totally fine to use.
[name_f][/name_f]Like someone else said, [name_m]Ryder[/name_m] & [name_m]Wyatt[/name_m] were my first thoughts along with [name_m]Rhett[/name_m].
[name_f][/name_f][name_m]Briggs[/name_m]
[name_f][/name_f][name_m]Jett[/name_m]
[name_f][/name_f][name_m]Knox[/name_m]
[name_f][/name_f][name_m]Maverick[/name_m]
[name_f][/name_f][name_m]Colt[/name_m]
[name_f][/name_f][name_m]Creed[/name_m]
[name_f][/name_f][name_m]Flint[/name_m]
[name_f][/name_f]Hawkes
[name_f][/name_f][name_m]Wilder[/name_m]
[name_f][/name_f][name_m]Canyon[/name_m]
[name_f][/name_f][name_m]Ransom[/name_m]
[name_f][/name_f][name_m]Ledger[/name_m]
[name_f][/name_f][name_m]Stetson[/name_m]
[name_f][/name_f][name_m]Flint[/name_m]