Bending With The Pinky

Hey Folks,

Yeah, I find it very difficult to bend with my pinky, especially a full step. And vibrato
oh you can forget it!

Say I'm trying to play a lick like:

--------------------------------------------5--
----------------------5--5----8b^full~~~----- <hold a good vibrato with pinky?
---------5---7--7------------------------------
----7-------------------------------------------
------------------------------------------------
------------------------------------------------

What do ya'll do? Bending with the ring finger is much easier, but it's a big reach.

I'm thinking I should work on streaching the ring over there, since the pink is feable.

Thanks in advance

Pat