One way is to jack the wheel off the ground and check for play (movement, not rotational). Grab tire at 3 and 9 o'clock and see if there's movement, then at 12 and 6. I usually check at 10-11 and 4-5 also.
When checking for movement, you're trying to "rock" at wheel back and forth, not spin it. In with right hand, out with left at same time. Then out with right, in with left at same time, and so on.
If any movement in just 3-9, possibly tie bad rod. Just at 12-6, possibly ball joint. Just at 3-9 and 12-6 possibly ball joint and tie rod. At all 3, possibly bearing.