Is there a way to drag or add specific properties directly to the sequencer to keyframe them, or do you always have to navigate there from the sequencer after dragging in the whole object?

I'm trying to keyframe [this one property](https://imgur.com/j6k62NI) of the material instance I have on my [Landscape object](https://imgur.com/1ZkWgEl). Unfortunately the landscape has [a bajillion components](https://imgur.com/mEpxY94). I tried the first one [in the sequencer](https://imgur.com/klwdwsQ) but it does squat so I clearly don't have the right one.

Is there a way to either drag my Blend Bias property directly to the sequencer, or find out which component will actually change that property in the scene? (or if it's on all components, how to get to them globally?)