Whackadoodle
In the past I have used a combination of forces to break the tie rod end loose from the steering arm.
Remove the original nut from the tie rod end. Get another steel nut, not a soft cheap alloy, and thread it on with the top of the nut flush with the top of the tie rod end, but leaving a gap between the bottom of the nut and the top of steering arm. This helps avoid deforming the threads of the tie rod end, when you hit it.
You should remove your tire and, if needs be, your rotor and backing plate, as they may partially be in the line of fire (ask me how I know). Turn the steering all the way outboard for clearance. You will also need to put a block of wood (like a 4x4) vertically under the steering arm down to the floor. This inhibits movement of the steering arm and is the resistance force (in the free body diagram), since the suspension is free hanging. You can also put a pry bar over the top of tie rod and under the steering arm to apply a constant downward force.
Whack the nut with a heavy sledge, not a rubber mallet, while applying downward force to the pry bar. The heavy sledge has the inertia for a large shock load, while a rubber mallet absorbs the force and reduces the impact. Make sure you hit the nut square on to minimize any bending of the tie rod end. Sometimes it has taken me a couple of hard whacks to break it loose, however, this has done the trick for me in the past. I lightly gease the tie rod taper when I reinstall to inhibit moisture and I don't over-torque the nut, since it is either a locking nut or has a cotter pin. Check the nut after driving.
My 2 cents,
Gary
P.S. How's that Jeff, better?